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What Motor oil grade for 2003 Ford Explorer V6?

The recommended motor oil grade for a 2003 Ford Explorer V6 depends on the climate where you live and whether the engine is the 4.0L SOHC or the 4.6L SOHC. Your owner's manual is the best source for this information.

However, generally speaking, a 5W-20 or 5W-30 would be appropriate for most situations. 5W-30 is often a safer bet, especially in hotter climates.

* 5W-20: Better fuel economy, suitable for milder climates.

* 5W-30: Better protection in hotter climates and for higher mileage engines.

Always check your owner's manual for the manufacturer's specific recommendation. The manual will detail the recommended viscosity (like 5W-20 or 5W-30) and the type of oil (conventional, synthetic blend, or full synthetic). Using the wrong oil can damage your engine.